ToL gets an additional NPC slot

src/engine/objects/Blueprint.java

@@ -335,13 +335,16 @@ public class Blueprint {
                 availableSlots = 3;
                 break;
             case 8:
-                availableSlots = 1;
+                availableSlots = 3;
                 break;
             default:
                 availableSlots = 0;
                 break;
         }
 
+        if(this.buildingGroup.equals(BuildingGroup.TOL)){
+            availableSlots += 1;
+        }
         return availableSlots;
     }